The technology firm also launched an IMEI database tool where Samsung customers can type their phone's unique IMEI number to find out whether it is part of the original, recalled batch or one of the safe replacement shipments.

Brian Green told The Verge that his Galaxy Note 7 had the indicator to denote it as "safe".

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Nathan Dornacher claims the new Galaxy Note 7 smartphone started the fire that burnt his Jeep

NATHAN DORNACHER • FACEBOOK

The Samsung Galaxy Note 7 following the Jeep fire, according to owner Nathan Dornacher

According to Mr Green, the device was powered down – not charging – when it suddenly started to overheat in his pocket.

He threw it into the aisle of the aeroplane, where it started to emit a thick grey-green angry smoke".

Samsung Galaxy Note 7 owners have also been warned not to switch-on or recharge their devices during commercial airline flights.